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  • 101.
    Lundberg, Max
    et al.
    Lund University.
    Liedvogel, Miriam
    Lund University / Max Planck Institute for Evolutionary Biology, Plön, Germany.
    Larson, Keith
    Umeå University.
    Sigeman, Hanna
    Lund University.
    Grahn, Mats
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Wright, Anthony Ph
    Karolinska Institute, Karolinska University Hospital.
    Åkesson, Susanne
    Lund University.
    Bensch, Staffan
    Lund University.
    Genetic differences between willow warbler migratory phenotypes are few and cluster in large haplotype blocks2017In: Evolution Letters, ISSN 2056-3744, Vol. 1, no 3, p. 155-168Article in journal (Refereed)
    Abstract [en]

    It is well established that differences in migratory behavior between populations of songbirds have a genetic basis but the actual genes underlying these traits remains largely unknown. In an attempt to identify such candidate genes we de novo assembled the genome of the willow warbler Phylloscopus trochilus, and used whole-genome resequencing and a SNP array to associate genomic variation with migratory phenotypes across two migratory divides around the Baltic Sea that separate SW migrating P. t. trochilus wintering in western Africa and SSE migrating P. t. acredula wintering in eastern and southern Africa. We found that the genomes of the two migratory phenotypes lack clear differences except for three highly differentiated regions located on chromosomes 1, 3, and 5 (containing 146, 135, and 53 genes, respectively). Within each migratory phenotype we found virtually no differences in allele frequencies for thousands of SNPs, even when comparing geographically distant populations breeding in Scandinavia and Far East Russia (>6000 km). In each of the three differentiated regions, multidimensional scaling-based clustering of SNP genotypes from more than 1100 individuals demonstrates the presence of distinct haplotype clusters that are associated with each migratory phenotype. In turn, this suggests that recombination is absent or rare between haplotypes, which could be explained by inversion polymorphisms. Whereas SNP alleles on chromosome 3 correlate with breeding altitude and latitude, the allele distribution within the regions on chromosomes 1 and 5 perfectly matches the geographical distribution of the migratory phenotypes. The most differentiated 10 kb windows and missense mutations within these differentiated regions are associated with genes involved in fatty acid synthesis, possibly representing physiological adaptations to the different migratory strategies. The ∼200 genes in these regions, of which several lack described function, will direct future experimental and comparative studies in the search for genes that underlie important migratory traits.

  • 102.
    Ma, Shiyu
    et al.
    Ghent University, Melle-Gontrode, Belgium.
    De Frenne, Pieter
    Ghent University, Melle-Gontrode, Belgium.
    Wasof, Safaa
    Ghent University, Melle-Gontrode, Belgium.
    Brunet, Jörg
    Swedish University of Agricultural Sciences.
    Cousins, Sara Ao
    Stockholm University.
    Decocq, Guillaume
    University of Picardy Jules Verne, Amiens, France.
    Kolb, Annette
    University of Bremen, Bremen, Germany.
    Lemke, Isa
    University of Bremen, Bremen, Germany.
    Liira, Jaan
    University of Tartu, Tartu, Estonia.
    Naaf, Tobias
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Orczewska, Anna
    University of Silesia, Katowice, Poland.
    Plue, Jan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Wulf, Monika
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Verheyen, Kris
    Ghent University, Melle-Gontrode, Belgium.
    Plant-soil feedbacks of forest understorey plants transplanted in nonlocal soils along a latitudinal gradient2019In: Plant Biology, ISSN 1435-8603, E-ISSN 1438-8677Article in journal (Refereed)
    Abstract [en]

    Climate change is driving movements of many plants beyond, as well as within, their current distributional ranges. Even migrant plants moving within their current range may experience different plant-soil feedbacks (PSFs) because of divergent nonlocal biotic soil conditions. Yet, our understanding to what extent soil biotic conditions can affect the performance of within-range migrant plants is still very limited. We assessed the emergence and growth of migrant forest herbs (Milium effusum and Stachys sylvatica) using soils and seeds collected along a 1,700 km latitudinal gradient across Europe. Soil biota were manipulated through four soil treatments, i.e., unsterilized control soil (PSFUS ), sterilized soil (PSFS ), sterilized soil inoculated with unsterilized home soil (PSFS+HI ) and sterilized soil inoculated with unsterilized foreign soil (PSFS+FI , expected to occur when both plants and soil biota track climate change). Compared to PSFS , PSFUS had negative effects on the growth but not emergence of both species, while PSFS+FI only affected S. sylvatica across all seed provenances. When considering seeds' origins, seedling emergence and growth responses to nonlocal soils depended on soil biotic conditions. Specifically, the home-away distance effect on seedling emergence differed between the four treatments, and significant responses to chemistry either disappeared (M. effusum) or changed (S. sylvatica) from PSFUS to PSFS . Soil biota emerge as an important driver of the estimated plant migration success. Our results of the effects of soil microorganisms on plant establishment provide relevant information for predictions of the distribution and dynamics of plant species in a changing climate.

  • 103.
    Ma, Shiyu
    et al.
    Ghent University, Melle-Gontrode, Belgium.
    De Frenne, Pieter
    Ghent University, Melle-Gontrode, Belgium.
    Vanhellemont, Margot
    Ghent University, Melle-Gontrode, Belgium.
    Wasof, Safaa
    Ghent University, Melle-Gontrode, Belgium.
    Boeckx, Pascal
    Ghent University, Gent, Belgium.
    Brunet, Jörg
    Swedish University of Agricultural Sciences.
    Cousins, Sara A.O.
    Stockholm University.
    Decocq, Guillaume
    University of Picardy Jules Verne, Amiens, France.
    Kolb, Annette
    University of Bremen, Bremen, Germany.
    Lemke, Isa
    University of Bremen, Bremen, Germany.
    Liira, Jaan
    University of Tartu, Tartu, Estonia.
    Naaf, Tobias
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Orczewska, Anna
    University of Silesia, Katowice, Poland.
    Plue, Jan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Wulf, Monika
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Verheyen, Kris
    Ghent University, Melle-Gontrode, Belgium.
    Local soil characteristics determine the microbial communities under forest understorey plants along a latitudinal gradient2019In: Basic and Applied Ecology, ISSN 1439-1791, E-ISSN 1618-0089Article in journal (Refereed)
    Abstract [en]

    The soil microbial community is essential for maintaining ecosystem functioning and is intimately linked with the plant community. Yet, little is known on how soil microbial communities in the root zone vary at continental scales within plant species. Here we assess the effects of soil chemistry, large-scale environmental conditions (i.e. temperature, precipitation and nitrogen deposition) and forest land-use history on the soil microbial communities (measured by phospholipid fatty acids) in the root zone of four plant species (Geum urbanum, Milium effusum, Poa nemoralis and Stachys sylvatica) in forests along a 1700km latitudinal gradient in Europe. Soil microbial communities differed significantly among plant species, and soil chemistry was the main determinant of the microbial community composition within each plant species. Influential soil chemical variables for microbial communities were plant species-specific; soil acidity, however, was often an important factor. Large-scale environmental conditions, together with soil chemistry, only explained the microbial community composition in M. effusum and P. nemoralis. Forest land-use history did not affect the soil microbial community composition. Our results underpin the dominant role of soil chemistry in shaping microbial community composition variation within plant species at the continental scale, and provide insights into the composition and functionality of soil microbial communities in forest ecosystems.

  • 104.
    Musumeci, Matías A
    et al.
    Centro para el Estudio de Sistemas Marinos, CONICET, Puerto Madryn, Argentina.
    Lozada, Mariana
    Centro para el Estudio de Sistemas Marinos, CONICET, Puerto Madryn, Argentina.
    Rial, Daniela V
    Universidad Nacional de Rosario, CONICET, Rosario, Argentina.
    Mac Cormack, Walter P
    Instituto Antártico Argentino, Ciudad Autónoma de Buenos Aires, Argentina / CONICET—Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.
    Jansson, Janet K.
    Pacific Northwest National Laboratory, Richland, USA.
    Sjöling, Sara
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Carroll, JoLynn
    Fram—High North Research Centre for Climate and the Environment, Tromsø, Norway / UiT The Arctic University of Norway, Tromsø, Norway.
    Dionisi, Hebe M
    Centro para el Estudio de Sistemas Marinos, CONICET, Puerto Madryn, Argentina.
    Prospecting Biotechnologically-Relevant Monooxygenases from Cold Sediment Metagenomes: An In Silico Approach2017In: Marine Drugs, ISSN 1660-3397, E-ISSN 1660-3397, Vol. 15, no 4, article id 114Article in journal (Refereed)
    Abstract [en]

    The goal of this work was to identify sequences encoding monooxygenase biocatalysts with novel features by in silico mining an assembled metagenomic dataset of polar and subpolar marine sediments. The targeted enzyme sequences were Baeyer-Villiger and bacterial cytochrome P450 monooxygenases (CYP153). These enzymes have wide-ranging applications, from the synthesis of steroids, antibiotics, mycotoxins and pheromones to the synthesis of monomers for polymerization and anticancer precursors, due to their extraordinary enantio-, regio-, and chemo- selectivity that are valuable features for organic synthesis. Phylogenetic analyses were used to select the most divergent sequences affiliated to these enzyme families among the 264 putative monooxygenases recovered from the ~14 million protein-coding sequences in the assembled metagenome dataset. Three-dimensional structure modeling and docking analysis suggested features useful in biotechnological applications in five metagenomic sequences, such as wide substrate range, novel substrate specificity or regioselectivity. Further analysis revealed structural features associated with psychrophilic enzymes, such as broader substrate accessibility, larger catalytic pockets or low domain interactions, suggesting that they could be applied in biooxidations at room or low temperatures, saving costs inherent to energy consumption. This work allowed the identification of putative enzyme candidates with promising features from metagenomes, providing a suitable starting point for further developments.

  • 105.
    Mårald, Erland
    et al.
    Umeå universitet.
    Sandström, Camilla
    Umeå universitet.
    Nordin, Annika
    Sveriges lantbruksuniversitet, SLU.
    Rist, Lucy
    Sveriges lantbruksuniversitet, SLU.
    Sténs, Anna
    Umeå universitet.
    Beland Lindahl, Karin
    Luleå tekniska universitet.
    Carlsson-Kanyama, Annika
    Kungl. Tekniska Högskolan, KTH.
    Johansson, Johanna
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Umeå universitet.
    Keskitalo, E. Carina H.
    Umeå universitet.
    Laudon, Hjalmar
    Sveriges lantbruksuniversitet, SLU.
    Lidskog, Rolf
    Örebro universitet.
    Lämås, Tomas
    Sveriges lantbruksuniversitet, SLU.
    Lundmark, Tomas
    Swedish University of Agricultural Sciences (SLU).
    Nilsson, Urban
    Sveriges lantbruksuniversitet, SLU.
    Nordström, Eva-Maria
    Swedish University of Agricultural Sciences.
    Roberge, Jean-Michel
    Sveriges lantbruksuniversitet, SLU.
    Sonesson, Johan
    Skogforsk.
    Forest governance and management across time: developing a new forest social contract2017Book (Refereed)
    Abstract [en]

    The influence of the past, and of the future on current-time tradeoffs in the forest arena are particularly relevant given the long-term successions in forest landscapes and the hundred years’ rotations in forestry. Historically established path dependencies and conflicts determine our present situation and delimit what is possible to achieve. Similarly, future trends and desires have a large influence on decision making. Nevertheless, decisions about forest governance and management are always made in the present – in the present-time appraisal of the developed situation, future alternatives and in negotiation between different perspectives, interests, and actors.

    This book explores historic and future outlooks as well as current tradeoffs and methods in forest governance and management. It emphasizes the generality and complexity with empirical data from Sweden and internationally. It first investigates, from a historical perspective, how previous forest policies and discourses have influenced current forest governance and management. Second, it considers methods to explore alternative forest futures and how the results from such investigations may influence the present. Third, it examines current methods of balancing tradeoffs in decision-making among ecosystem services. Based on the findings the authors develop an integrated approach – Reflexive Forestry – to support exchange of knowledge and understandings to enable capacity building and the establishment of common ground. Such societal agreements, or what the authors elaborate as forest social contracts, are sets of relational commitment between involved actors that may generate mutual action and a common directionality to meet contemporary challenges.

  • 106.
    Nesme, Joseph
    et al.
    Université de Lyon, Ecully, France / Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), Neuherberg, Germany.
    Achouak, Wafa
    Aix-Marseille Université, Saint-Paul-lez-Durance, France.
    Agathos, Spiros N
    Catholic University of Louvain, Louvain-la-Neuve, Belgium / Yachay Tech University, Urcuquí, Ecuador.
    Bailey, Mark
    Centre for Ecology and Hydrology, Oxford, UK.
    Baldrian, Petr
    Institute of Microbiology of the Czech Academy of Sciences, Praha, Czech Republic.
    Brunel, Dominique
    Centre National de Génotypage, Evry, France.
    Frostegård, Åsa
    Norwegian University of Life Sciences, Aas, Norway.
    Heulin, Thierry
    Aix-Marseille Université, Saint-Paul-lez-Durance, France.
    Jansson, Janet K
    Pacific Northwest National Laboratory, Richland, WA, USA.
    Jurkevitch, Edouard
    The Hebrew University of Jerusalem, Rehovot, Israel.
    Kruus, Kristiina L
    Technical Research Centre of Finland, Espoo, Finland.
    Kowalchuk, George A
    Utrecht University, Utrecht, Netherlands.
    Lagares, Antonio
    Universidad Nacional de La Plata, La Plata, Argentina.
    Lappin-Scott, Hilary M
    Swansea University, Swansea, UK.
    Lemanceau, Philippe
    Université de Bourgogne, Dijon, France.
    Le Paslier, Denis
    Université d'Evry Val d'Essonne, Evry, France.
    Mandic-Mulec, Ines
    University of Ljubljana, Ljubljana, Slovenia.
    Murrell, J Colin
    University of East Anglia, Norwich, UK.
    Myrold, David D
    Oregon State University, Corvallis, OR, USA.
    Nalin, Renaud
    NALINOV, Dremil Lafage, France.
    Nannipieri, Paolo
    University of Florence, Florence, Italy.
    Neufeld, Josh D
    University of Waterloo, Waterloo, ON, Canada.
    O'Gara, Fergal
    National University of Ireland, Cork, Ireland / Curtin University, Perth, WA, Australia.
    Parnell, John J
    National Ecological Observatory Network, Boulder, CO, USA.
    Pühler, Alfred
    Bielefeld University, Bielefeld, Germany.
    Pylro, Victor
    René Rachou Research Centre, Belo Horizonte, Brazil.
    Ramos, Juan L
    Consejo Superior de Investigaciones Científicas, Granada, Spain.
    Roesch, Luiz F W
    Federal University of Pampa, São Gabriel, Brazil.
    Schloter, Michael
    Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), Neuherberg, Germany.
    Schleper, Christa
    University of Vienna, Vienna, Austria.
    Sczyrba, Alexander
    Bielefeld University, Bielefeld, Germany.
    Sessitsch, Angela
    AIT Austrian Institute of Technology GmbH, Tulln, Austria.
    Sjöling, Sara
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Sørensen, Jan
    niversity of Copenhagen, Frederiksberg, Denmark.
    Sørensen, Søren J
    University of Copenhagen, Copenhagen, Denmark.
    Tebbe, Christoph C
    Thünen-Institute of Biodiversity, Braunschweig, Germany.
    Topp, Edward
    University of Western Ontario, London, ON, Canada.
    Tsiamis, George
    University of Patras, Agrinio, Greece.
    van Elsas, Jan Dirk
    University of Groningen, Groningen, Netherlands.
    van Keulen, Geertje
    Swansea University, Swansea, UK.
    Widmer, Franco
    Institute for Sustainability Sciences, Agroscope, Zürich, Switzerland.
    Wagner, Michael
    University of Vienna, Vienna, Austria.
    Zhang, Tong
    The University of Hong Kong, Hong Kong, China.
    Zhang, Xiaojun
    Shanghai Jiao Tong University, Shanghai, China.
    Zhao, Liping
    Shanghai Jiao Tong University, Shanghai, China.
    Zhu, Yong-Guan
    Chinese Academy of Sciences, Xiamen, China.
    Vogel, Timothy M
    Université de Lyon, Ecully, France.
    Simonet, Pascal
    Swansea University, Swansea, UK.
    Back to the Future of Soil Metagenomics2016In: Frontiers in Microbiology, ISSN 1664-302X, E-ISSN 1664-302X, Vol. 7, article id 73Article in journal (Refereed)
  • 107.
    Nguyen, P.
    et al.
    Can Tho University, Ninh Kieu District, Can Tho City, Vietnam.
    Rodela, Romina
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University and Research, Wageningen, The Netherlands.
    Bosma, R.
    Wageningen University and Research, Wageningen, The Netherlands.
    Bregt, A.
    Wageningen University and Research, Wageningen, The Netherlands.
    Ligtenberg, A.
    Wageningen University and Research, Wageningen, The Netherlands.
    An Investigation of the Role of Social Dynamics in Conversion to Sustainable Integrated Mangrove-Shrimp Farming in Ben Tre Province, Vietnam2018In: Singapore journal of tropical geography, ISSN 0129-7619, E-ISSN 1467-9493, Vol. 39, no 3, p. 421-437Article in journal (Refereed)
    Abstract [en]

    In the coastal area of the Vietnamese Mekong Delta, much of the mangrove forest has been cut to make space for expansion of industry and aquaculture. Export-oriented shrimp farming is a particularly fast-growing business. Nonetheless, the importance of tropical mangrove forest ecosystems for coastal protection and marine biodiversity is widely recognized. The Vietnamese government, supported by non-governmental organizations and donors, has sought to restore mangrove forest. To this end, the government has promoted mixed or integrated mangrove-shrimp systems in which farmers maintain at least 40 per cent of their area under mangrove cover. Since 2012, mangrove reforestation, care and protection has benefited from local authority stimulus as well. Multiple studies have examined the condition of the mangrove forest in Ben Tre and other coastal provinces of the Mekong Delta. However, no research has investigated the role of social dynamics in farmers' willingness to shift to, or maintain, integrated mangrove-shrimp systems. Specifically, the influence of information, group dynamics and social learning on farmer decision-making is poorly understood and, indeed, hardly investigated in Vietnam. This article reports on a study of social processes in three communes in Binh Dai District, Ben Tre Province, Vietnam. We conducted 42 semi-structured interviews (with 34 farmers and eight local officials) and used secondary data. Our preliminary findings indicate that social dynamics in these communes were issue-driven and played an important role in farmers' decisions to adopt, or convert to, the integrated mangrove-shrimp farming system. Television, radio, the internet, books, neighbours and training courses all had some influence in farmer decision-making processes. However, our findings suggest that the accessibility, usefulness, relevance and approach of these communication methods must be improved if they are to adequately inform and support local farmers.

  • 108.
    Nielsen, Sebastian V
    et al.
    Aarhus University, Aarhus, Denmark.
    Kellner, Martin
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Henriksen, Per G
    Aarhus University, Aarhus, Denmark.
    Olsén, Håkan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hansen, Steen H
    University of Copenhagen, Copenhagen, Denmark.
    Baatrup, Erik
    Aarhus University, Aarhus, Denmark.
    The psychoactive drug Escitalopram affects swimming behaviour and increases boldness in zebrafish (Danio rerio)2018In: Ecotoxicology, ISSN 0963-9292, E-ISSN 1573-3017, Vol. 27, no 4, p. 485-497Article in journal (Refereed)
    Abstract [en]

    was not significantly different from control fish in either sex. The results of this study demonstrate that Escitalopram can affect subtle but ecologically important aspects of fish behaviour and lends further credibility to the assumption that Escitalopram is an environmentally active pharmaceutical.

  • 109.
    Ning, W.
    et al.
    Department of Geology, Lund University, Sweden.
    Nielsen, A.B.
    Department of Geology, Lund University, Sweden; Department of Physical Geography and Ecosystems Science, Lund University, Sweden.
    Norbäck Ivarsson, Lena
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Jilber, T.
    Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, Netherlands; Department of Environmental Sciences, University of Helsinki, Helsinki, Finland.
    Åkesson, C.M.
    Department of Geology, Lund University, Sweden; Department of Biological Science, Florida Institute of Technology, Melbourne, USA.
    Slomp, C.P.
    Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, Netherlands.
    Andrén, Elinor
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Broström, A.
    The Archaeologists, Swedish National Historical Museums, Lund, Sweden.
    Filipsson, H.L.
    Department of Geology, Lund University, Lund, Sweden.
    Anthropogenic and climatic impacts on a coastal environment in the Baltic Sea over the last 1000 years2018In: Anthropocene, E-ISSN 2213-3054, Vol. 21, p. 66-79Article in journal (Refereed)
    Abstract [en]

    Coastal environments have experienced large ecological changes as a result of human activities over the last 100−200 years. To understand the severity and potential consequences of such changes, paleoenvironmental records provide important contextual information. The Baltic Sea coastal zone is naturally a vulnerable system and subject to significant human-induced impacts. To put the recent environmental degradation in the Baltic coastal zone into a long-term perspective, and to assess the natural and anthropogenic drivers of environmental change, we present sedimentary records covering the last 1000 years obtained from a coastal inlet (Gåsfjärden) and a nearby lake (Lake Storsjön) in Sweden. We investigate the links between a pollen-based land cover reconstruction from Lake Storsjön and paleoenvironmental variables from Gåsfjärden itself, including diatom assemblages,organic carbon (C) and nitrogen (N) contents, stable C and N isotopic ratios, and biogenic silica contents. The Lake Storsjön record shows that regional land use was characterized by small-scale agricultural activity between 900 and 1400 CE, which slightly intensified between 1400 and 1800 CE. Substantial expansion of cropland was observed between 1800 and 1950 CE, before afforestation between 1950 and 2010 CE. From the Gåsfjärden record, prior to 1800 CE, relatively minor changes in the diatom and geochemical proxies were found. The onset of cultural eutrophication in Gåsfjärden can be traced to the 1800s and intensified land use is identified as the main driver. Anthropogenic activities in the 20th century have caused unprecedented ecosystem changes in the coastal inlet, as reflected in the diatom composition and geochemical proxies.

  • 110.
    Obrochta, S. P.
    et al.
    Akita University Akita, Japan.
    Andrén, Thomas
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Fazekas, S. Z.
    Akita University Akita, Japan.
    Lougheed, B. C.
    Uppsala University.
    Snowball, I.
    Uppsala University.
    Yokoyama, Y.
    University of Tokyo, Chiba, Japan.
    Miyairi, Y.
    University of Tokyo, Chiba, Japan.
    Kondo, R.
    Kogakkan University, Mie, Japan.
    Kotilainen, A. T.
    Marine Geology, Espoo, Finland.
    Hyttinen, O.
    University of Helsinki, Helsinki, Finland.
    Fehr, A
    RWTH Aachen University, Aachen, Germany.
    The undatables: Quantifying uncertainty in a highly expanded Late Glacial-Holocene sediment sequence recovered from the deepest Baltic Sea basin—IODP Site M00632017In: Geochemistry Geophysics Geosystems, ISSN 1525-2027, E-ISSN 1525-2027, Vol. 18, no 3, p. 858-871Article in journal (Refereed)
    Abstract [en]

    Laminated, organic-rich silts and clays with high dissolved gas content characterize sediments at IODP Site M0063 in the Landsort Deep, which at 459 m is the deepest basin in the Baltic Sea. Cores recovered from Hole M0063A experienced significant expansion as gas was released during the recovery process, resulting in high sediment loss. Therefore, during operations at subsequent holes, penetration was reduced to 2 m per 3.3 m core, permitting expansion into 1.3 m of initially empty liner. Fully filled liners were recovered from Holes B through E, indicating that the length of recovered intervals exceeded the penetrated distance by a factor of >1.5. A typical down-core logarithmic trend in gamma density profiles, with anomalously low-density values within the upper ∼1 m of each core, suggests that expansion primarily occurred in this upper interval. Thus, we suggest that a simple linear correction is inappropriate. This interpretation is supported by anisotropy of magnetic susceptibility data that indicate vertical stretching in the upper ∼1.5 m of expanded cores. Based on the mean gamma density profiles of cores from Holes M0063C and D, we obtain an expansion function that is used to adjust the depth of each core to conform to its known penetration. The variance in these profiles allows for quantification of uncertainty in the adjusted depth scale. Using a number of bulk 14C dates, we explore how the presence of multiple carbon source pathways leads to poorly constrained radiocarbon reservoir age variability that significantly affects age and sedimentation rate calculations.

  • 111.
    Olschewski, Roland
    et al.
    WSL Swiss Federal Research Institute.
    Sandström, Camilla
    Umeå universitet.
    Kasymov, Ulan
    Humboldt University, Berlin, Germany.
    Johansson, Johanna
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Fürst, Christine
    Martin-Luther-University, Halle-Wittenberg.
    Ring, Irene
    TU Dresden.
    Policy Forum: Challenges and opportunities in developing new forest governance systems: Insights from the IPBES assessment for Europe and Central Asia2018In: Forest Policy and Economics, ISSN 1389-9341, E-ISSN 1872-7050, Vol. 97, p. 175-179Article in journal (Refereed)
    Abstract [en]

    Efforts to develop new governance systems in environmental policy at the international, national and subnational level face multiple challenges. In the context of these challenges, the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) was established by the United Nations in 2012 to become the leading intergovernmental body for assessing the state of the planet’s biodiversity, its ecosystems, and the essential contributions they provide to society. In this note, we refer to the Regional Assessment for Europe and Central Asia. As co-authors of the report, we present the results of our assessment focusing on the forest sector due to its high potential for conserving biodiversity and providing ecosystem services. Notwithstanding several knowledge gaps, the IPBES regional assessment provides a valuable basis to make better-informed decisions. It identifies promising governance options by mainstreaming the conservation and sustainable use of biodiversity and the sustained provision of ecosystem services into public and private decision making, emphasising a more pro-active and goal-oriented policy approach. To which degree these options can be realized and which pathways will be taken towards a sustainable transition is a matter of societal choice, including policy, economy and citizens.

  • 112.
    Olsén, K. Håkan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Effects of pollutants on olfactory detection and responses to chemical cues including pheromones in fish2014In: Fish pheromones and related cues / [ed] Peter W. Sorensen and Brian D. Wisenden, Ames: Wiley-Blackwell, 2014, p. 217-236Chapter in book (Refereed)
  • 113.
    Olsén, K. Håkan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Sukovich, Ninél
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies.
    Backman, Jennifer
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies.
    Lundh, T.
    Swedish University of Agricultural Science.
    Chemical foraging stimulation in the omnivorous species crucian carp, Carassius carassius (Linnaeus 1758)2018In: Aquaculture Reports, ISSN 2352-5134, Vol. 12, p. 36-42Article in journal (Refereed)
    Abstract [en]

    In fish aquaculture, great efforts are made to develop feed that excludes marine fish proteins and oils, or at least to decrease these parts to a minimum but the fish might not be attracted to or might not eat the alternative feed. Molecules detected by the olfactory sense can induce arousal and search behavior that attract the fish and induce foraging. In the present study, we have examined whether mussel extracts can induce foraging behavior in crucian carp, Carassius carassius. Free amino acids are present in high concentrations in mussels and they are detected at low concentrations by olfaction and induce food search behavior in several fish species. We studied the behavior responses to water extracts of mussel powder compared to extracts of a plant-based commercial carp feed. Extracts of different concentrations were administered in glass aquaria with individual fish. The tests began with 5 min with only tap water and this was followed by 5 min with extracts or amino acid solutions. The behavior was recorded with a video camera. The initial control period was compared to the following period with odors. No significant foraging response was observed with extracts of mussels, but the commercial carp feed extract induced increased bottom snapping. Synthetic mixtures of five nutritional amino acids present at high concentrations in both extracts did not give any significant foraging response. Our results show that mussels are not suitable as a protein source in feed to crucian carp. 

  • 114.
    Peil, Tiina
    et al.
    Tallin University, Estonia.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Permanence of the family farm questioned: Rural mobility in the nineteenth-century Estonia and Sweden2014In: Journal of Baltic Studies, ISSN 0162-9778, E-ISSN 1751-7877, Vol. 45, no 2, p. 247-267Article in journal (Refereed)
  • 115.
    Piwowarczyk, Joanna
    et al.
    Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland.
    Gee, Kira
    Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH, Germany.
    Gilek, Michael
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Hassler, Björn
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Luttmann, Anne
    Leibniz Institute for Baltic Sea Research Warnemünde, Germany.
    Maack, Lotta
    Leibniz Institute for Baltic Sea Research Warnemünde, Germany.
    Matczak, Magdalena
    Maritime Institute in Gdańsk, Poland.
    Morff, Andrea
    Swedish Institute for the Marine Environment, University of Gothenburg.
    Saunders, Fred
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
    Stalmokaite, Igne
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Zaucha, Jacek
    Maritime Institute in Gdańsk & University of Gdańsk, Poland.
    Insights into integration challenges in the Baltic Sea Region marine spatial planning: Implications for the HELCOM-VASAB principles2019In: Ocean and Coastal Management, ISSN 0964-5691, E-ISSN 1873-524X, no 175, p. 98-109Article in journal (Refereed)
  • 116.
    Plue, Jan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University / University of Leuven, Heverlee, Belgium.
    Aavik, T.
    Tartu University, Tartu, Estonia.
    Cousins, S. A. O.
    Stockholm University.
    Grazing networks promote plant functional connectivity among isolated grassland communities2019In: Diversity & distributions: A journal of biological invasions and biodiversity, ISSN 1366-9516, E-ISSN 1472-4642, Vol. 25, no 1, p. 102-115Article in journal (Refereed)
    Abstract [en]

    Aim: Habitat loss threatens plant diversity globally. Lack of plant functional connectivity between isolated populations is often pinpointed as one of the major underlying mechanisms driving subsequent species extinctions. Therefore, landscape-scale conservation management promoting functional connectivity needs to be implemented urgently. Supporting the movement of seed dispersal vectors such as grazing animals may help safeguard local and regional plant diversity in fragmented landscapes. However, the efficacy of such management remains to be thoroughly assessed. Location: Stockholm archipelago, Sweden. Methods: We test how grazing animals may serve as mobile corridors within rotational grazing networks promoting plant functional connectivity via directed seed dispersal. Using landscape genetics, we compare isolated populations of the grassland perennial Campanula rotundifolia located in either active or abandoned grazing networks, to test if spatial patterns in their genetic diversity, differentiation and allele frequencies relate to the presence or absence of connectivity via rotational grazing management. Results: Grazing networks imprinted strong landscape-scale spatial patterning in pairwise population genetic differentiation and within-population genetic diversity. Isolated C. rotundifolia populations functionally connected by grazing animals held higher genetic diversity compared to populations no longer connected by grazing livestock. Gene flow linked to the directed seed dispersal was higher between populations within grazing networks, confirmed by their increased allele richness. We found a predictable, nested loss of genetic diversity among C. rotundifolia populations in abandoned grazing networks. Main conclusions: Grazing animals were important seed dispersal vectors, functionally connecting isolated grassland communities, so being vital to the successful long-term persistence and conservation of not only species but also genetic diversity. Crucially, the study underlines the possibilities of using domestic livestock as mobile corridors within rotational grazing networks as an effective tool to manage, conserve and restore both genetic and species diversity among isolated plant communities in fragmented landscapes.

  • 117.
    Plue, Jan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Cousins, S. A. O.
    Stockholm University.
    Seed dispersal in both space and time is necessary for plant diversity maintenance in fragmented landscapes2018In: Oikos, ISSN 0030-1299, E-ISSN 1600-0706, Vol. 127, no 6, p. 780-791Article in journal (Refereed)
    Abstract [en]

    Metacommunity theory emphasizes that seed dispersal not only limits but equally maintains plant diversity, though the latter receives little empirical attention. Discerning the temporal and spatial components of seed dispersal and understanding how their interaction shapes fragmented communities and maintains their diversity may be pivotal to further our ecological understanding of spatial and temporal seed dispersal and its implications for landscape-scale conservation management. To investigate the relative importance of spatial and temporal seed dispersal and their roles in maintaining plant diversity, the herb layer and seed bank of grassland communities were inventoried in 77 sites across abandoned and intact rotational grazing networks in a 100 km2 fragmented grassland landscape in the Stockholm archipelago (Baltic Sea, Sweden). Besides analysing alpha- and beta-diversity patterns, nestedness analyses connect deterministic community changes and diversity losses with dispersal-related life-history traits and habitat specialization to identify the mechanism driving community changes and maintaining local diversity. The loss of rotational grazing networks caused community diversity declines via non-random extinctions of spatially and temporally poor dispersers, particularly among grassland specialists. Temporal seed dispersal halted further community disassembly, maintaining diversity in the abandoned grazing networks. Spatial dispersal within the intact grazing networks was found to be an overriding, homogenizing agent conserving diversity in both the herb layer and seed bank. This empirical evidence establishes how spatial and temporal seed dispersal interact to maintain diversity in fragmented landscapes. Poorly connected grasslands appear limited by spatial dispersal, yet are maintained by temporal seed dispersal. In fragmented landscapes where grazing networks are rarely present, temporal rather than spatial seed dispersal may be more important in maintaining species diversity, since effective spatial dispersal may be significantly diminished. The grazing network's efficacy at boosting spatial dispersal and upholding community diversity presents a powerful management tool to conserve local and regional species diversity. © 2017 The Authors

  • 118.
    Plue, Jan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University / University of Bremen, Germany.
    De Frenne, P.
    Ghent University, Belgum.
    Acharya, K.
    Norwegian University of Science and Technology, Norway.
    Brunet, J.
    SLU.
    Chabrerie, O.
    Jules Verne University of Picardie, Amiens Cedex, France.
    Decocq, G.
    University of Bremen, Germany.
    Diekmann, M.
    Norwegian University of Science and Technology, Norway.
    Graae, B. J.
    Heinken, T.
    University of Potsdam, Potsdam, Germany.
    Hermy, M.
    University of Leuven, Leuven, Belgium.
    Kolb, A.
    University of Bremen, Germany.
    Lemke, I.
    University of Bremen, Germany.
    Liira, J.
    University of Tartu, Tartu, Estonia.
    Naaf, T.
    Institute of Land Use Systems, Müncheberg, Germany.
    Verheyen, K.
    Ghent University, Belgium.
    Wulf, M.
    Institute of Land Use Systems, Müncheberg, Germany.
    Cousins, S. A. O.
    Stockholm University.
    Where does the community start, and where does it end?: Including the seed bank to reassess forest herb layer responses to the environment2017In: Journal of Vegetation Science, ISSN 1100-9233, E-ISSN 1654-1103, Vol. 28, no 2, p. 424-435Article in journal (Refereed)
    Abstract [en]

    Question: Below-ground processes are key determinants of above-ground plant population and community dynamics. Still, our understanding of how environmental drivers shape plant communities is mostly based on above-ground diversity patterns, bypassing below-ground plant diversity stored in seed banks. As seed banks may shape above-ground plant communities, we question whether concurrently analysing the above- and below-ground species assemblages may potentially enhance our understanding of community responses to environmental variation. Location: Temperate deciduous forests along a 2000 km latitudinal gradient in NW Europe. Methods: Herb layer, seed bank and local environmental data including soil pH, canopy cover, forest cover continuity and time since last canopy disturbance were collected in 129 temperate deciduous forest plots. We quantified herb layer and seed bank diversity per plot and evaluated how environmental variation structured community diversity in the herb layer, seed bank and the combined herb layer–seed bank community. Results: Seed banks consistently held more plant species than the herb layer. How local plot diversity was partitioned across the herb layer and seed bank was mediated by environmental variation in drivers serving as proxies of light availability. The herb layer and seed bank contained an ever smaller and ever larger share of local diversity, respectively, as both canopy cover and time since last canopy disturbance decreased. Species richness and β-diversity of the combined herb layer–seed bank community responded distinctly differently compared to the separate assemblages in response to environmental variation in, e.g. forest cover continuity and canopy cover. Conclusions: The seed bank is a below-ground diversity reservoir of the herbaceous forest community, which interacts with the herb layer, although constrained by environmental variation in e.g. light availability. The herb layer and seed bank co-exist as a single community by means of the so-called storage effect, resulting in distinct responses to environmental variation not necessarily recorded in the individual herb layer or seed bank assemblages. Thus, concurrently analysing above- and below-ground diversity will improve our ecological understanding of how understorey plant communities respond to environmental variation.

  • 119.
    Plue, Jan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Kimberley, A.
    Stockholm University.
    Slotte, T.
    Stockholm University.
    Interspecific variation in ploidy as a key plant trait outlining local extinction risks and community patterns in fragmented landscapes2018In: Functional Ecology, ISSN 0269-8463, E-ISSN 1365-2435, Vol. 32, no 8, p. 2095-2106Article in journal (Refereed)
    Abstract [en]

    Polyploidy is associated with a plethora of phenotypic and genetic changes yielding transformative effects on species' life-history and ecology. These biological attributes can contribute to the success of species on ecological timescales, as observed in the invasion success or rapid environmental and climatic adaptation of polyploids. However, to date there has been a distinct lack of empirical evidence linking species' local extinction risk, species distributions and community structure in fragmented landscapes with interspecific variation in ploidy. We aimed to investigate the relationship between levels of habitat fragmentation and patterns in both diversity and the frequency of species with different ploidy levels. We included additional persistence- and dispersal related life-history traits, to establish the relative importance of ploidy in determining species richness and frequencies following habitat fragmentation. We therefore collected plant community presence-absence data and landscape data from grassland fragments from south-central Sweden. Community-level analysis uncovered that interspecific variation in ploidy proved the strongest predictor of plant community species richness and turn-over across grassland fragments. Local extinction risk decreased as ploidy increased, with diploids most prone to local extinction. In the species-level analysis, ploidy outweighed the combined explanatory power of commonly used life-history traits such as clonality, dispersal mechanism and mating system; key predictors of plant species distributions across fragmented landscapes. Ploidy appears to capture parallel variation in a series of advantageous genetic and life-history mechanisms which operate on ecological timescales, emerging as the strongest predictor of local extinction risk even after accounting for variation in other crucial life-history traits. Our results therefore highlight the importance of genomic traits such as ploidy and total chromosome number as valuable factors explaining and predicting local extinction risk in fragmented landscapes. A plain language summary is available for this article.

  • 120.
    Plue, Jan
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Vandepitte, Katrien
    Laboratory of Plant Conservation and Population Biology, Heverlee, Belgium.
    Honnay, Olivier
    Laboratory of Plant Conservation and Population Biology, Heverlee, Belgium.
    Cousins, Sara A O
    Stockholm University.
    Does the seed bank contribute to the build-up of a genetic extinction debt in the grassland perennial Campanula rotundifolia?2017In: Annals of Botany, ISSN 0305-7364, E-ISSN 1095-8290, Vol. 120, no 3, p. 373-385Article in journal (Refereed)
    Abstract [en]

    Background and Aims: Habitat fragmentation threatens global biodiversity. Many plant species persist in habitat fragments via persistent life cycle stages such as seed banks, generating a species extinction debt. Here, seed banks are hypothesized to cause a temporal delay in the expected loss of genetic variation, which can be referred to as a genetic extinction debt, as a possible mechanism behind species extinction debts.

    Methods: Fragmented grassland populations of Campanula rotundifolia were examined for evidence of a genetic extinction debt, investigating if the seed bank contributed to the extinction debt build-up. The genetic make-up of 15 above- and below-ground populations was analysed in relation to historical and current levels of habitat fragmentation, both separately and combined.

    Key Results: Genetic diversity was highest in above-ground populations, though below-ground populations contained 8 % of unique alleles that were absent above-ground. Above-ground genetic diversity and composition were related to historical patch size and connectivity, but not current patch characteristics, suggesting the presence of a genetic extinction debt in the above-ground populations. No such relationships were found for the below-ground populations. Genetic diversity measures still showed a response to historical but not present landscape characteristics when combining genetic diversity of the above- and below-ground populations.

    Conclusions: The fragmented C. rotundifolia populations exhibited a genetic extinction debt. However, the role of the seed banks in the build-up of this extinction debt is probably small, since the limited, unique genetic diversity of the seed bank alone seems unable to counter the detrimental effects of habitat fragmentation on the population genetic structure of C. rotundifolia .

  • 121.
    Porsani, Juliana
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Börjeson, L.
    Lehtilä, Kari
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Land Concessions and Rural Livelihoods in Mozambique: The Gap Between Anticipated and Real Benefits of a Chinese Investment in the Limpopo Valley2017In: Journal of Southern African Studies, ISSN 0305-7070, E-ISSN 1465-3893, Vol. 43, no 6, p. 1181-1198Article in journal (Refereed)
    Abstract [en]

    In rural Mozambique, as in other African countries, large-scale land acquisitions are on the rise. This process is usually portrayed by host governments and investors as comprising win–win deals that can simultaneously boost agricultural productivity and combat poverty. This article focuses on one such investment, a large-scale Chinese land acquisition in the lower Limpopo valley, where attempts to modernise agriculture have occurred since colonial times. Based on an analysis of primary quantitative and qualitative data, this study explores livelihoods in the targeted area and local experiences and views regarding land loss and its implications. Our findings reveal a top-down process enabled by disregard for sound legislation, whereby land dispossession was followed by ‘take-it-or-leave-it’ opportunities that were unsuited to the most land-dependent livelihoods, particularly those of single-headed households. As the modernisation of the region is once again attempted through the promotion of large-scale agriculture, important historical continuities prevail. This study adds critical evidence to the discussion on the local development potential of land deals in Mozambique and other areas marked by similar democratic deficits. 

  • 122.
    Porsani, Juliana
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Caretta, M. A.
    West Virginia University, Morgantown, United States.
    Lehtilä, Kari
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Large-scale land acquisitions aggravate the feminization of poverty: findings from a case study in Mozambique2019In: GeoJournal, ISSN 0343-2521, E-ISSN 1572-9893, Vol. 84, no 1, p. 215-231Article in journal (Refereed)
    Abstract [en]

    The local implications of large-scale land acquisitions (LSLAs), commonly referred to as land grabs, are at the center of an exponential production of scientific literature that only seldom focuses on gender. Our case study aims to contribute to filling this analytical gap. Based on structured interviews and focus groups, we investigate local experiences in the lower Limpopo valley in Mozambique, where a Chinese investor was granted 20,000 hectares in 2012. Our findings show that land access in the affected area varied prior to land seizure due to historical land use differences and after land seizure mainly due to non-universal compensation. Furthermore, we show that as farming conditions deteriorate, a trend toward both the feminization of smallholder farming and the feminization of poverty is consolidated. Succinctly, as available land becomes increasingly constricted, labor is allocated differently to alternative activities. This process is by no means random or uniform among households, particularly in a context in which women prevail in farm activities and men prevail in off-farm work. As men disengage further from smallholder farming, women remain directly dependent on fields that are smaller and of worse quality or reliant on precarious day labor in the remaining farms. We contend that the categories female-headed and male-headed households, although not inviolable, are useful in explaining the different implications of LSLAs in areas in which gender strongly substantiates individuals’ livelihood alternatives. © 2018 The Author(s)

  • 123.
    Porsani, Juliana
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Lalander, Rickard
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Why Does Deliberative Community Consultation in Large-Scale Land Acquisitions Fail?: A Critical Analysis of Mozambican Experiences2018In: Revista iberoamericana de estudios de desarrollo / Iberoamerican Journal of Development Studies, E-ISSN 2254-2035, Vol. 7, no 2, p. 164-193Article in journal (Refereed)
    Abstract [en]

    Community consultation prior to large-scale land acquisitions (LSLA) is a cornerstone that justifies the portrayal of projects as partnerships or land grabs. This study focuses on one of the countries most targeted by LSLA in the last decade, namely, Mozambique. We examine the legal and theoretical bases that support community consultations and analyse their corresponding everyday practices in Mozambique. The article argues that, although the existence of these participatory forums is inspired by normative ideals of popular deliberation, the prevailing practices in these spaces are diametrically opposed to deliberative foundations and values. As shown in this study, this mismatch between theory that is institutionalized in legal frameworks and practice derives largely from the interplay of hierarchical relations anchored in, inter alia, formal and customary ethnically based realms, gender disparities, and livelihood orientations. A core argument of the article is that any attempt to ameliorate these practices must consider critical insights regarding the centrality of enhancing social equality and inclusion in participatory spaces —challenges that are immense in places marked by deep structural inequalities.

  • 124.
    Porseryd, Tove
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Kellner, Martin
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Reyhanian, Nasim
    Örebro University.
    Volkova, Kristina
    Örebro University.
    Elabbas, Lubna
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
    Ullah, Shahid
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies. Karolinska University Hospital Laboratory.
    Olsén, K. Håkan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Porsch Hällström, Inger
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Combinatory effects of low concentrations of 17α-etinylestradiol and citalopram on non-reproductive behavior in adult zebrafish (Danio rerio)2017In: Aquatic Toxicology, ISSN 0166-445X, E-ISSN 1879-1514, Vol. 193, p. 9-17Article in journal (Refereed)
    Abstract [en]

    Sewage treatment plant effluents contain a complex mixture of pharmaceuticals, personal care products and industrial chemicals, thus exposing aquatic organisms. Still, the consequences of exposure to combinations of different classes of drugs is largely unknown. In this study, we expose adult zebrafish (Danio rerio) males and females to low, environmentally relevant concentrations of the endocrine disrupting chemical 17α-ethinyl estradiol (EE2) and the selective serotonin re-uptake inhibitor (SSRI) citalopram, alone and in combination, and analyse three non-reproductive behaviours of importance for population fitness.

    Two weeks exposure to 0.1 and 0.5 ng/LEE2 resulted in increased anxiety in males in the scototaxis (light/dark preference) test. Significantly longer latency periods before entering the white zone and fewer visits in the white zone were observed in males exposed to both 0.1 and 0.5 ng/LEE2 compared to unexposed males. No significant effects of citalopram alone (0.1 and 0.5 µg/L) were observed in the scototaxis test. The combined exposures (0.1 ng/L EE2 + 0.1 µg/L citalopram and 0.5 ng/L EE2 + 0.5 µg/L citalopram) resulted in abolishment of the anxiogenic effects of EE2, with significantly shorter latency period (low dose) and more transitions to white (high and low dose) than in fish exposed to EE2 alone. No significant effects of either EE2, citalopramor the combination of the two were observed in females. In the novel tank test, significantly more transitions to the upper half of the tank were observed in males exposed to 0.1 µg/L citalopram alone compared to unexposed males while males exposed to 0.1 ng/lEE2 had significantly shorter latency period to enter the upper half. Exposure to the combination of the two low concentrations did, however, result in a significantly longer latency and fewer transitions to upper half compared to both control, EE2- and citalopram-exposed males. These males also spent significantly less time in the upper half than the fish exposed to 0.1 ng/l EE2 or 0.1 µg/l citalopram alone. No significant effects on novel tank behaviour were observed in females or males exposed to the higher concentrations. In the shoaling test, males exposed to 0.1 µg/L citalopram and females exposed to 0.5 ng/l EE2 made significantly fewer transitions away from peers while males exposed to 0.1 µg/L citalopram + 0.1 ng/l EE2 performed significantly more transitions than the fish exposed to 0.1 µg/L citalopram alone.

    In conclusion, this study shows that very low concentrations ofEE2, at or slightly above the predicted noeffect concentration (NOEC), affects anxiety in zebrafish males. Furthermore, citalopram, in spite of marginal effect of its own at such low levels, counteracts the response to EE2. This study represents an initial effort to understand the effects on water-living organisms of the cocktails of anthropogenic substances contaminating aquatic environments.

  • 125.
    Porseryd, Tove
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Larsson, Josefine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Kellner, Martin
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Bollner, Tomas
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Mathematics Teaching.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Porsch Hällström, Inger
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Altered non-reproductive behavior and feminization caused by developmental exposure to 17α-ethinylestradiol persist to adulthood in three-spined stickleback (Gasterosteus aculeatus)2019In: Aquatic Toxicology, ISSN 0166-445X, E-ISSN 1879-1514, Vol. 207, p. 142-152Article in journal (Refereed)
    Abstract [en]

    The synthetic estrogen 17α-ethinylestradiol (EE2), ubiquitous in the aquatic environment and commonly detected in sewage effluents, interferes with the endocrine system in multiple ways. Exposure during sensitive windows of development causes persistent effects on fertility, reproductive and non-reproductive behavior in mammals and fish. In the present study, three-spined stickleback (Gasterosteus aculeatus) were exposed to nominal 0 and 20 ng/L EE2 from fertilization to 7 weeks post-hatch. After 8 months of remediation in clean water three non-reproductive behaviors, not previously analyzed in developmentally EE2-exposed progeny of wild-caught fish, were evaluated. Chemical analysis revealed that the nominal 0 and 20 ng/L exposure contained 5 and 30 ng/L EE2, respectively. Therefore, the use of control fish from previous experiments was necessary for comparisons. Fish exposed during development showed significant concentration-dependent reduction in anxiety-like behavior in the scototaxis (light/dark preference) test by means of shorter latency to first entrance to the white compartment, more visits in white, and longer total time in white compared to unexposed fish. In the novel tank test, developmental exposure significantly increased the number of transitions to the upper half of the aquaria. Exposure to EE2 during development did not alter shoal cohesion in the shoaling test compared with unexposed fish but fish exposed to 30 ng/L EE2 had significantly longer latency to leave the shoal and fewer transitions away from the shoal compared to fish exposed to 5 ng/L EE2. Skewed sex ratio with more females, sex reversal in genetic males as well as intersex in males was observed after exposure to 30, but not 5 ng/L EE2. In conclusion, EE2 exposure during development in three-spined stickleback resulted in persistent effects on anxiety-like behaviors. These long-term effects from developmental exposure are likely to be of higher relevance for natural populations than are short-term effects from adult exposure.

  • 126.
    Porseryd, Tove
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Reyhanian Caspillo, Nasim
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro universitet.
    Volkova, Kristina
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro universitet.
    Elabbas, Lubna
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
    Källman, Thomas
    Uppsala university.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Olsson, Per-Erik
    Örebro universitet.
    Porsch Hällström, Inger
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
    Testis transcriptome alterations in zebrafish (Danio rerio) with reduced fertility due to developmental exposure to 17α-ethinyl estradiol2018In: General and Comparative Endocrinology, ISSN 0016-6480, E-ISSN 1095-6840, Vol. 262, p. 44-58Article in journal (Refereed)
    Abstract [en]

    17α-Ethinylestradiol (EE2) is a ubiquitous aquatic contaminant shown to decrease fish fertility at low concentrations, especially in fish exposed during development. The mechanisms of the decreased fertility are not fully understood. In this study, we perform transcriptome analysis by RNA sequencing of testes from zebrafish with previously reported lowered fertility due to exposure to low concentrations of EE2during development. Fish were exposed to 1.2 and 1.6 ng/L (measured concentration; nominal concentrations 3 and 10 ng/L) of EE2 from fertilization to 80 days of age, followed by 82 days of remediation in clean water. RNA sequencing analysis revealed 249 and 16 genes to be differentially expressed after exposure to 1.2 and 1.6 ng/L, respectively; a larger inter-sample variation was noted in the latter. Expression of 11 genes were altered by both exposures and in the same direction. The coding sequences most affected could be categorized to the putative functions cell signalling, proteolysis, protein metabolic transport and lipid metabolic process. Several homeobox transcription factors involved in development and differentiation showed increased expression in response to EE2 and differential expression of genes related to cell death, differentiation and proliferation was observed. In addition, several genes related to steroid synthesis, testis development and function were differentially expressed. A number of genes associated with spermatogenesis in zebrafish and/or mouse were also found to be differentially expressed. Further, differences in non-coding sequences were observed, among them several differentially expressed miRNA that might contribute to testis gene regulation at post-transcriptional level. This study has generated insights of changes in gene expression that accompany fertility alterations in zebrafish males that persist after developmental exposure to environmental relevant concentrations of EE2 that persist followed by clean water to adulthood. Hopefully, this will generate hypotheses to test in search for mechanistic explanations.

  • 127.
    Porseryd, Tove
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Volkova, Kristina
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro universitet.
    Reyhanian Caspillo, Nasim
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology. Örebro univesitet.
    Källman, Thomas
    Uppsala universitet.
    Dinnétz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Porsch Hällström, Inger
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Persistent Effects of Developmental Exposure to 17α-Ethinylestradiol on the Zebrafish (Danio rerio) Brain Transcriptome and Behavior2017In: Frontiers in Behavioral Neuroscience, ISSN 1662-5153, E-ISSN 1662-5153, Vol. 11, article id 69Article in journal (Refereed)
    Abstract [en]

    The synthetic estrogen 17α-ethinylestradiol (EE2) is an endocrine disrupting compound of concern due to its persistence and widespread presence in the aquatic environment. Effects of developmental exposure to low concentrations of EE2 in fish on reproduction and behavior not only persisted to adulthood, but have also been observed to be transmitted to several generations of unexposed progeny. To investigate the possible biological mechanisms of the persistent anxiogenic phenotype, we exposed zebrafish embryos for 80 days post fertilization to 0, 3 and 10 ng/L EE2 (measured concentrations 2.14 and 7.34 ng/L). After discontinued exposure, the animals were allowed to recover for 120 days in clean water. Adult males and females were later tested for changes in stress response and shoal cohesion, and whole-brain gene expression was analyzed with RNA sequencing. The results show increased anxiety in the novel tank and scototaxis tests, and increased shoal cohesion in fish exposed during development to EE2. RNA sequencing revealed 34 coding genes differentially expressed in male brains and 62 in female brains as a result of EE2 exposure. Several differences were observed between males and females in differential gene expression, with only one gene, sv2b, coding for a synaptic vesicle protein, that was affected by EE2 in both sexes. Functional analyses showed that in female brains, EE2 had significant effects on pathways connected to the circadian rhythm, cytoskeleton and motor proteins and synaptic proteins. A large number of non-coding sequences including 19 novel miRNAs were also differentially expressed in the female brain. The largest treatment effect in male brains was observed in pathways related to cholesterol biosynthesis and synaptic proteins. Circadian rhythm and cholesterol biosynthesis, previously implicated in anxiety behavior, might represent possible candidate pathways connecting the transcriptome changes to the alterations to behavior. Further the observed alteration in expression of genes involved in synaptogenesis and synaptic function may be important for the developmental modulations resulting in an anxiety phenotype. This study represents an initial survey of the fish brain transcriptome by RNA sequencing after long-term recovery from developmental exposure to an estrogenic compound.

  • 128.
    Prentice, Honor C
    et al.
    Department of Biology, Lund University.
    Li, Yuan
    Department of Biology, Lund University.
    Lönn, Mikael
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Tunlid, Anders
    Department of Biology, Lund University.
    Ghatnekar, Lena
    Department of Biology, Lund University.
    A horizontally transferred nuclear gene is associated with microhabitat variation in a natural plant population2015In: Proceedings of the Royal Society of London. Biological Sciences, ISSN 0962-8452, E-ISSN 1471-2954, Vol. 282, no 1821, article id 20152453Article in journal (Refereed)
    Abstract [en]

    Horizontal gene transfer involves the non-sexual interspecific transmission of genetic material. Even if they are initially functional, horizontally transferred genes are expected to deteriorate into non-expressed pseudogenes, unless they become adaptively relevant in the recipient organism. However, little is known about the distributions of natural transgenes within wild species or the adaptive significance of natural transgenes within wild populations. Here, we examine the distribution of a natural plant-to-plant nuclear transgene in relation to environmental variation within a wild population. Festuca ovina is polymorphic for an extra (second) expressed copy of the nuclear gene (PgiC) encoding cytosolic phosphoglucose isomerase, with the extra PgiC locus having been acquired horizontally from the distantly related grass genus Poa. We investigated variation at PgiC in samples of F. ovina from a fine-scale, repeating patchwork of grassland microhabitats, replicated within spatially separated sites. Even after accounting for spatial effects, the distributions of F. ovina individuals carrying the additional PgiC locus, and one of the enzyme products encoded by the locus, are significantly associated with fine-scale habitat variation. Our results suggest that the PgiC transgene contributes, together with the unlinked 'native' PgiC locus, to local adaptation to a fine-scale mosaic of edaphic and biotic grassland microhabitats.

  • 129.
    Rabe, Linn
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Saunders, Fred
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Community-based Natural Resource Management of the Jozani-Pete Mangrove Forest: Do They Have a Voice?2013In: Western Indian Ocean journal of marine science, ISSN 0856-860X, Vol. 12, no 2, p. 133-150Article in journal (Refereed)
    Abstract [en]

    Local participation, especially in natural resource management, has been promoted as a key strategy in the quest for sustainable development. Community-based Natural Resource Management (CBNRM) is an approach that has generally been promoted as an institution that genuinely includes and empowers ‘local people' in natural resource use and management. This paper examines how local participation in conservation projects works in practice by drawing on concepts from institutional and actor-oriented theories and applying a case study approach to examine community-based mangrove management at Jozani-Pete, Zanzibar. Here CBNRM became embedded within a conservation agenda that resulted in conflict, resistance, frustration and uncertainty amongst community members. The paper offers insight into how exogenously initiated CBNRM projects have difficulty gaining traction unless they both address existing power relations and deliver on promises of material benefits. If they fail to do so the experience of the Jozani-Pete case study suggests that CBNRM may work to further marginalize already marginalized people.

  • 130.
    Remling, Elise
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Depoliticizing adaptation: a critical analysis of EU climate adaptation policy2018In: Environmental Politics, ISSN 0964-4016, E-ISSN 1743-8934, Vol. 27, no 3, p. 477-497Article in journal (Refereed)
    Abstract [en]

    The ways in which climate adaptation is understood in the European Union is examined via three key policy documents: the Strategy on adaptation and the Green and White Papers that preceded it. Drawing on Poststructuralist Discourse Theory, light is shed on the implicit values and assumptions that underpin this recent policy initiative. The findings demonstrate a tension between the declared ambition to act on adaptation and implicit suggestions that nothing really has to change, and the challenge can be addressed by market and technological innovations, and by mainstreaming adaptation into existing sectoral policies. The policy discourse effectively serves to depoliticize choices societies make in response to climate change, presenting adaptation as a non-political issue. Insight into European adaptation discourse enables deeper understanding of recent policy developments and opens up possible entry points for critique.

  • 131.
    Remling, Elise
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Logics, assumptions and genre chains: a framework for poststructuralist policy analysis2017In: Critical Discourse Studies, ISSN 1740-5904, E-ISSN 1740-5912, Vol. 5, no 1, p. 1-18Article in journal (Refereed)
    Abstract [en]

    An unresolved aspect of the Logics Approach within Poststructuralist Discourse Theory (PDT) is how to operationalize its abstract theoretical concepts – of social, political and fantasmatic logics – for concrete textual analysis, especially of policy documents. Policies often institute new understandings, procedures or practices, something the logics, as originally articulated, fall somewhat short of capturing. To overcome these methodological challenges this article constructs a framework for poststructuralist policy analysis that brings together the Logics Approach with more textually oriented tools developed within Critical Discourse Analysis, namely assumptions and genre chains. For empirical illustration it draws on a case study of the European Union's adaptation policy in response to climate change. The resulting framework offers a means through which more implicit social and political logics can be examined, and contributes new insights to methodological debates around the use of the Logics Approach (and PDT more broadly), specifically in relation to critical policy analysis. The article concludes with seven observations of relevance for future studies and suggests avenues for further empirical and conceptual exploration.

  • 132.
    Remling, Elise
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Veitayaki, Joeli
    School of Marine Studies, University of the South Pacific (USP).
    Community-based action in Fiji’s Gau Island: a model for the Pacific?2016In: International Journal of Climate Change Strategies and Management, ISSN 1756-8692, E-ISSN 1756-8706, Vol. 8, no 3, p. 375-398Article in journal (Refereed)
    Abstract [en]

    Purpose – Drawing on qualitative fieldwork on a remote outer island in Fiji, this paper aims to address a shortcoming in the literature on climate adaptation in the Pacific. Internationally community-based adaptation (CBA) is recognised as a promising approach to help vulnerable populations adjust to climate change. However, with pilot projects in their infancy documented experience for Pacific Islands remains scarce. This limits the ability of the region – faced with persisting development challenges and predicted significant climate impacts – to learn from and build on previous experiences and develop robust responses to climate change.

    Design/methodology/approach – By using a community-based initiative in response to environmental challenges and unsustainable development as a proxy, the paper interrogates the potential usefulness of the CBA framework for the Pacific and identifies potential strengths and weaknesses. Sketching out the process and its outcomes, it shows how the initiative has resulted in a diversity of strategies, ranging from pollution control measures, to improved governance of resources and community participation in decision making, to livelihood and income diversification.

    Findings – Findings indicate that CBA could have a lot of potential for building more resilient communities in the face of climate change and other pressures associated with modernising Pacific societies. However, to be effective, interventions should pay attention to people’s development aspirations; immediate economic, social and environmental benefits; dynamics of village governance, social rules and protocols; and traditional forms of knowledge that can inform sustainable solutions.

    Originality/value – The conclusions provide a reflection on the CBA framework in general and make concrete suggestions for practitioners on how the framework could be usefully implemented in the Pacific context.

  • 133.
    Ring, Eva
    et al.
    Skogforsk.
    Johansson, Johanna
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Sandström, Camilla
    Umeå University.
    Bjarnadóttir, Brynhildur
    University of Akureyri, Akureyri, Iceland.
    Finér, Leena
    Natural Resources Institute Finland-Luke, Joensuu, Finland.
    Lībiete, Zane
    LSFRI Silava, Salaspils, Latvia.
    Lode, Elve
    Tallinn University, Tallinn, Estonia / Swedish University of Agricultural Sciences.
    Stupak, Inge
    University of Copenhagen, Frederiksberg C, Denmark.
    Sætersdal, Magne
    Norwegian Institute of Bioeconomy Research, Ås, Norway.
    Mapping policies for surface water protection zones on forest land in the Nordic-Baltic region: Large differences in prescriptiveness and zone width.2017In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 46, no 8, p. 878-893Article in journal (Refereed)
    Abstract [en]

    The forest landscape across the Nordic and Baltic regions hosts numerous lakes and watercourses, which must be included in forest management. In this study, national policy designs regarding protection zones for surface waters on forest land were reviewed and compared for the Nordic countries, Estonia and Latvia. The focus was how each country regulates protection zones, whether they are voluntary or mandatory, and the rationale behind adopting a low or high degree of prescriptiveness. Iceland and Denmark had a low degree of policy prescriptiveness, whereas Norway, Estonia and Latvia had a high degree of prescriptiveness. Sweden and Finland relied to a large extent on voluntary commitments. The prescribed zone widths within the region ranged from 1 m to 5 km. The results indicated that land-use distribution, forest ownership structure and historical and political legacies have influenced the varying degrees of prescriptiveness in the region.

  • 134.
    Rodela, Romina
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University, Wageningen, The Netherlands.
    On the use of databases about research performance: comments on Karlovčec and Mladenić (2015) and others using the SICRIS database2016In: Scientometrics, ISSN 0138-9130, E-ISSN 1588-2861, Vol. 109, no 3, p. 2151-2157Article in journal (Refereed)
    Abstract [en]

    The accuracy of interdisciplinarity measurements depends on how well the data is used for this purpose and whether it can meaningfully inform about work that crosses disciplinary domains. At present, there are no ad hoc databases compiling information only and exclusively about interdisciplinary research, and those interested in assessing it have to reach out to existing databases that have been compiled for other purposes. Karlovčec and Mladenić (Scientometrics 102:433–454, 2015) saw an opportunity in a national database that brings together information meant to be used for assessing the scientific performance of the Slovene academic community, which they used to obtain information that was then applied to measure interdisciplinarity. However, the context and purpose for which databases are produced have certain implications on their use. In their study, the authors overlooked the social and political context within which that specific database was created, is maintained and is used for (evaluation of research performance). This resulted in an incomplete interpretation of the results obtained and description of the current situation. This commentary addresses two aspects that warrant further consideration: one pertains to the limitations of the dataset itself and the measures used to debunk these, while the second pertains to the line of reasoning behind the integration and use of IDR measures in this study.

  • 135.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University, Wageningen, The Netherlands.
    Alašević, Dušan
    University of Nova Gorica, Nova Gorica, Slovenia.
    Crossing disciplinary boundaries in environmental research: Interdisciplinary engagement across the Slovene research community2017In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 574, p. 1492-1501Article in journal (Refereed)
    Abstract [en]

    Contemporary approaches to environmental research are calling for a type of scientific inquiry that is able to bring together the natural and social sciences. This with the aim to advance our understanding of environmental issues and produce synthetic and actionable knowledge meant to address these. Yet, interdisciplinarity research of this type is a demanding and challenging pursuit; many have shown that in certain thematic areas and geographic regions practice falls behind discourse. We bring together ideas about interdisciplinary research collaborations (after Patricia L. Rosenfield) and interdisciplinary epistemic synthesis (after Julie T. Klein) that are used to analyse a sample of research projects funded (from 2006 to 2013) by the Slovene Research Agency. We triangulated interview data (with principal investigators) with document analysis and integrated these with other secondary data. Our results suggest for the sample of environmental projects to be interdisciplinary in a narrow sense, this prevalently within natural and life sciences with little input from the humanities and social sciences. Also, the results obtained suggest that environmental research with unambiguous problem solving objectives is preferred over research with a high degree of abstraction, as involved in theoretical and conceptual work.

  • 136.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Boström, Magnus
    Issues and opportunities with participatory governance for the management of marine resources in the Adriatic Sea2014Conference paper (Refereed)
    Abstract [en]

    Background: The marine natural environment is under high pressure. Not only are marine resources as flora and fauna intensively used (with consequent decrease of stocks) but in recent times, the seas have become the next frontier of a specific type of anthropization (i.e. the conversion of open space by human action) that of energy infrastructure. While this is a current process and, within the European Union, only recently policy actions have been taken in order facilitate a more coherent coordination of interventions (Marine Strategy), little research has been done about formal and informal institutional arrangements already existing between the many stakeholders who have specific stakes in the Adriatic Sea.

    The North Adriatic Sea is an area characterised by a history of (between state) conflicts and tensions that impacted on the development of collaborative arrangement for the management of the marine environment. Of interest to this research, therefore, was to map out formal and informal institutional arrangements currently in place between stakeholders from Italy, Slovenia and Croatia - countries with coastal access to the North Adriatic Sea. Also, of an interest was to understand if, and how, participatory practices are being used in relation to decision-making and management of the marine natural environment ( in particular siting of an energy infrastructure).

    Methods:  In this case study we used interviews, archive material, policy documents and other secondary data (statistics, official documents) for the analysis.

    Findings: The preliminary analysis of our data suggests that the North Adriatic Sea is a highly politicized area over which different stakeholders advance claims but engage in little, or no cooperation. Marine resources appear to be under high pressure and in the following months we will continue the exploration into the institutional arrangements. 

  • 137.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. WageningenUniversity and Research, Wageningen, The Netherlands.
    Bregt, Arnold K.
    University and Research, Wageningen, The Netherlands.
    Ligtenberg, Arend
    University and Research, Wageningen, The Netherlands.
    Pérez-Soba, Marta
    University and Research, Wageningen, The Netherlands.
    Verweij, Peter
    University and Research, Wageningen, The Netherlands.
    The social side of spatial decision support systems: Investigating knowledge integration and learning2017In: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 76, p. 177-184Article in journal (Refereed)
    Abstract [en]

    Abstract Spatial decision support systems (SDSS) represent a step forward in efforts to account for the spatial dimension in environmental decision-making. The aim of SDSS is to help policymakers and practitioners access, interpret and understand information from data, analyses and models, and guide them in identifying possible actions during a decision-making process. Researchers, however, report difficulties in up-take of SDSS by the intended users. Some suggest that this field would benefit from investigation of the social aspects involved in SDSS design, development, testing and use. Borrowing insights from the literature on science-policy interactions, we explore two key social processes: knowledge integration and learning. Using a sample of 36 scientific papers concerning SDSS in relation to environmental issues, we surveyed whether and how the selected papers reported on knowledge integration and learning. We found that while many of the papers mentioned communication and collaboration with prospective user groups or stakeholders, this was seldom underpinned by a coherent methodology for enabling knowledge integration and learning to surface. This appears to have hindered SDSS development and later adoption by intended users.

  • 138.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University and Research, Wageningen, Netherlands.
    Gerger Swartling, Å.
    Stockholm Environment Institute.
    Environmental governance in an increasingly complex world: Reflections on transdisciplinary collaborations for knowledge coproduction and learning2019In: Environmental Policy and Governance, ISSN 1756-932X, E-ISSN 1756-9338Article in journal (Refereed)
  • 139.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University & Research, Wageningen, The Netherlands.
    Ligtenberg, A.
    Wageningen University & Research, Wageningen, The Netherlands.
    Bosma, R.
    Wageningen University & Research, Wageningen, The Netherlands.
    Conceptualizing serious games as a learning-based intervention in the context of natural resources and environmental governance2019In: Water, ISSN 2073-4441, E-ISSN 2073-4441, Vol. 11, no 2, article id 245Article in journal (Refereed)
    Abstract [en]

    The use of serious games in the governance of natural resources and the environment is progressively increasing and includes games used for research and data collection, teaching and training, and fostering a change of practices. However, this diversity remains underexplored and underreported. In view of a growing interest in the use of serious games in natural resource and environmental governance, the absence of discussions about how differences in intended use and delivery influence the performance, assessment, and outcomes of games is problematic. Here we present an inventory, and a description, of such different uses then, by focusing on serious games used as interventions, we discuss when, and how, games could be used to generate learning and social learning. To that end we use a narrative review of selected literature, and insight from research on social learning, to develop an inventory of game use, and within that inventory we conceptualize the use of serious games as a social learning intervention. Also, by means of an illustrative case of a serious game (developed as part of the Assessing the Learning Effects of Games on Attitude of Stakeholders toward Sustainable Shrimp Farming - ALEGAMS research project) we reflect on a few key aspects of game use. We suggest that developing a serious game needs several iterations and, although the learning outcomes can be assessed, the impact of games aiming at changes in current practice and policy will likely fall beyond the timespan of usual project periods. This is something future research should consider as it has implications for the research design and methodology.

  • 140.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University, The Netherlands.
    Reinecke, S.
    Albert-Ludwigs University, Freiburg, Germany.
    Bregt, A.
    Albert-Ludwigs University, Freiburg, Germany.
    Kilham, E.
    Albert-Ludwigs University, Freiburg, Germany.
    Lapeyre, R.
    Institut du développement durable et des relations internationales (IDDRI) - Institute for Sustainable Development and International Relations, France.
    Challenges to and opportunities for biodiversity science-policy interfaces2015In: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 54, p. 483-486Article in journal (Refereed)
  • 141.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University & Research, Netherlands.
    Tucker, Catherine May
    University of Florida, Gainesville, USA.
    Šmid-Hribar, Mateja
    Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia.
    Sigura, Maurizia
    University of Udine, Udine, Italy.
    Bogataj, Nevenka
    Slovenian Institute for Adult Education, Ljubljana, Slovenia.
    Urbanc, Mimi
    Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia.
    Gunya, Alexey
    Russian Academy of Sciences, Moscow, Russia.
    Intersections of ecosystem services and common-pool resources literature: An interdisciplinary encounter2019In: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 94, p. 72-81Article, review/survey (Refereed)
    Abstract [en]

    Interdisciplinary research is understood to be the preferred way for scientific research to deepen understanding about environmental issues and challenges for sustainability. Two well-defined interdisciplinairy research fields, Ecosystems services (ES) and Common-pool resources (CPR), have taken different approaches that integrate the natural and social sciences to address environmental conundrums collaboratively. Several recent studies bring together insight from each, yet little is known about the breadth or directions, of the interdisciplinary conversation between the two fields of research. Moreover, the potential of this interaction to advance theory and practice relevant for sustainability is underexplored. The purpose of this study is to fill this gap by addressing three questions: 1) What are the motives for the interaction between CPR and ES fields?, 2) How are these two fields of research interacting?, and 3) How does the interaction of CPR and ES contribute to research on sustainability? We conducted a systematic map to identify, select, describe and analyse research of our interest. We mapped out motivations for researchers to bring together insights from these two lines of inquiry and examined how they are doing so.

  • 142.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University, Wageningen, The Netherlands.
    Udovč, A.
    University of Ljubljana, Slovenia.
    Boström, Magnus
    Örebro universitet.
    Developing Environmental NGO Power for Domestic Battles in a Multilevel Context: Lessons from a Slovenian case2017In: Environmental Policy and Governance, ISSN 1756-932X, E-ISSN 1756-9338, Vol. 27, no 3, p. 244-255Article in journal (Refereed)
    Abstract [en]

    Many have discussed the crucial role that environmental nongovernmental organizations (ENGOs) have played in the implementation of nature protection policies across European member states. However, there are important differences in the opportunity structures among new and old member states that influence how ENGOs can act and undertake activities. This article seeks to clarify the role of ENGO capacity building within the context of multilevel environmental governance and focuses on a case in which Slovene ENGOs mobilized against the siting of 80 windmills in a natural area suggested for protection under the EU Birds and Habitats Directive. The dispute involved ENGOs seeking to pursue nature protection objectives against state authorities who prioritized green energy infrastructural development. The article analyses the mobilization strategies pursued and the combination of material, cognitive, social and symbolic resources used. The results suggest that these resources had to be mobilized and organized along both horizontal (domestic) and vertical (international) axes, and that this combination appears key in advancing an environmental protection agenda.

  • 143.
    Rodela, Romina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Wageningen University & Research, Wageningen, the Netherlands.
    Pérez-Soba, Marta
    Wageningen University & Research, Wageningen, the Netherlands / European Commission Joint Research Centre Ispra, Italy.
    Bregt, Arnold
    Wageningen University & Research, Wageningen, the Netherlands.
    Verweij, Peter
    Wageningen University & Research, Wageningen, the Netherlands.
    Spatial decision support systems: Exploring differences in pilot-testing with students vs. professionals2018In: Computers, Environment and Urban Systems, ISSN 0198-9715, E-ISSN 1873-7587, Vol. 72, p. 204-211Article in journal (Refereed)
    Abstract [en]

    This study explores the implications of engaging students vs. professionals / stakeholders in pilot-testing of SDSS and discusses likely differences in terms of experiences and outcomes for the given pilot-test. To this end we use data collected during two pilot tests of a novel SDSS. The pilot-tests were done with two different groups; one made of thirteen doctoral students, while the other of twelve professionals / stakeholders. The pilot-test served to gather feedback on SDSS usability and other aspects of interest to the development team. Based on the outcomes obtained we develop an analytical framework meant to summarise key aspects impacting on how different (tester) profiles will engage during a pilot, and on feedback they provide. These key aspects include expertise, stage of life, and institutional context (ESI). This framework could offer some help to SDSS / DSS development teams in planning, organizing, and delivering pilot-test, and processing the assessments received.

    The full text will be freely available from 2020-07-06 00:00
  • 144.
    Rytkönen, Paulina
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, School of Social Sciences, ENTER forum.
    Genus, företagande och politik2017In: YMER, ISSN 0044-0477, Vol. 136, no 2016, p. 7-32Article in journal (Refereed)
    Abstract [en]

    This chapter presents a review of some of the most important contributions in the field of gender and entrepreneurship in Sweden. The gender perspective is one of society's most important organizing principles, while entrepreneurship is seen as important for promoting growth, creating jobs, etc. The study of gender and entrepreneurship in combination is therefore important to understand the forces that shape our history, our present and our future. This field of research focuses on the study of the entrepreneur,  enterprise, entrepreneurship, business relevant organizations, industries, and business and how these are affected by gender issues and gender contracts. It involves formal and informal institutional arrangements that influence, highlights and explains differences in conditions for women and men in employment and in their roles as business owners, as well as the socio-economic consequences of the same. Gender orders put an imprint on both the public and private sectors, the division of labor inside and outside the home, in education, in the allocation of resources in society, etc. Gender issues are embedded in a variety of institutional and contextual circumstances and for instance also of a dimension and such class of ethnicity. Therefore intersectionality both a common and important approaches in gender studies in general and in the study of gender and entrepreneurship in particular. Today therefore research on female and male immigrant entrepreneurship and conditions of the same are becoming more frequent, but also how the deregulation of the public sector has funneled low-income people, mainly women in health care to low-profit businesses. The chapter also raises the recent criticism raised about how this research field has now matured and a need to move towards more critical and problem oriented research is needed. The critical voices argue that improving and increasing the contextualization of  research by problematizing the state's support to women in business, to analyze the restructuring of the public sector restructuring, which in practice promotes entrepreneurship and entrepreneurialism is a viable way to address current shortcomings in current research.

  • 145.
    Rytkönen, Paulina
    et al.
    Södertörn University, School of Social Sciences, Business Studies. Södertörn University, School of Social Sciences, ENTER forum.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Girard, Chloe
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies.
    Tunón, Håkan
    Centrum för biologisk mångfald, Sveriges lantbruksuniversitet.
    Bringing the Consumer Back in—The Motives, Perceptions, and Values behind Consumers and Rural Tourists’ Decision to Buy Local and Localized Artisan Food—A Swedish Example2018In: Agriculture, E-ISSN 2077-0472, Vol. 8, no 4, article id 58Article in journal (Refereed)
    Abstract [en]

    This article highlights the motivational factors behind consumers’ and tourists’ decisions to buy local artisan cheese in Jämtland (Sweden). Empirically, the case itself diverts from the typical Franco-Mediterranean case in which both the actions of producers and consumers are embedded in historical, long-term culinary traditions and territorial features, nor is it the typical farmers’ market or another market-driven direct produce system. The main purpose is to shed light on the motivational factors behind the purchasing decision of consumers and tourists by studying the attributes that consumers embody in the products. The article is based on two consumer surveys/short interviews, the first conducted in June 2012 and the second in February 2017. The results were tested against/related to the wider local food discussion conceptualized through four types of attributes. Namely, intrinsic and extrinsic attributes; post-modernity and environmental attributes; geographical and territorial attributes; and local and rural development attributes. The results in this article clearly show that consumers value a combination of different attributes from both market-driven direct produce systems and close typicity systems. Therefore, the construction of proximity from the point of view of the consumer can be derived from a complex set of attributes and motivational factors not normally highlighted in the localized food discussion

  • 146.
    Rytkönen, Paulina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Meal Sciences.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Geography.
    Dinnetz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Mountain agriculture at the crossroads, biodiversity, culture, and modernization, conflicting and interacting interests.2014In: Farming systems facing global challenges: Capacities and strategies / [ed] Thomas Aenis, Andrea Knierim, Maja-Catrin Riecher, Rebecka Ridder, Heike Schobert and Holger Fischer, 2014, p. 893-904Conference paper (Refereed)
    Abstract [en]

    Mountain agriculture emerged at the intersection of the "wild economy," which focused on hunting, fishing and gathering wild plants and the agricultural based economy that is characterized by the domestication of animals and cultivation of the soil. Like other traditional systems based on pasture, the Swedish mountain systems is based on the use of inherited traditional knowledge and mountain pastures have over centuries created a very rare and rich habitat in the form of upland hay meadows. Today, both traditional knowledge and the rich biodiversity in the mountains are endangered by the implementation of modern practices that lead to a number of conflicts that go beyond the tragedy of the commons. One important source of conflict emanates from the changing role of the countryside, a role that creates expectations on farmers to deliver recreation, magnificent landscapes, new job opportunities, operate hotels , produce, cheese, maintain a cultural heritage and contribute to the conservation of native breeds . Another problem is caused by new support systems and regulations that create incentives to intensify the exploitation of summer farms by using the pastures for modern meat cattle breeds, which changes the landscape, but also makes traditional farmers upset, because of the risk of losing the traditions of summer farms.

    An additional source of conflict is created by the state’s changing attitudes towards the mountain world, as the state aims to shut down all existing (state owned) leased mountain flats (fjällägenheter) by cutting down basic infrastructure. The remaining flats are located primarily in the northern parts of Jämtland. They contribute to the maintenance of a very unique flora and insect fauna.  By comparing two cases, one in Klövsjö and one in the northern part of the region, this paper contributes with new knowledge about  mountain agriculture, including interlocking interests, competitive activities, potentials and conflicts.

  • 147.
    Saunders, Fred
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Complex Shades of Green: Gradually Changing Notions of the 'Good Farmer' in a Swedish Context2016In: Sociologia Ruralis, ISSN 0038-0199, E-ISSN 1467-9523, Vol. 56, no 3, p. 391-407Article in journal (Refereed)
    Abstract [en]

    There are ever-growing demands on farmers to consider the wider environmental implications of production, not least in the Baltic Sea Region where concerns about agricultural-related eutrophication are significant. In Sweden, farmers are being nudged through voluntary agri-environmental measures, enticed by the market and compelled to make the transition from a productivist agriculture to a multifunctional one. Drawing on the ‘good farmer’ concept, inspired by Bourdieu, this paper studies Swedish conventional and agri-environmental farmers’ views and reflections on the changing relationship between farming practices and the environment. The paper finds that despite 25 years of agri-environmental policy in Sweden, some conventional farmers are still mired in a narrow productivist mindset. That said, the study concludes that we should be wary of conceiving the ‘good farmer’ too strictly in productivist terms, given that the ‘rules of the agricultural game’ in Sweden are leading to a more divergent farmer habitus. Farmers are looking for opportunities within the multifunctional agricultural field, which increasingly demands and expects all farmers to embed social and environmental goals into production considerations.

  • 148.
    Saunders, Fred
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
    Seeing and Doing Conservation Differently: A Discussion of Landscape Aesthetics, Wilderness, and Biodiversity Conservation2013In: Journal of Environment and Development, ISSN 1070-4965, E-ISSN 1552-5465, Vol. 22, no 1, p. 3-24Article in journal (Refereed)
    Abstract [en]

    This article argues that conservation agendas need to be informed by a landscape aesthetics that embraces the cultural and material richness of people’s relationship to place to better inform conservation agendas. Historical and contemporary views of landscape aesthetics and their relationship to nature conservation and notions  of wilderness need to be included to complement a scientific expert assessment of conservation needs and approaches. Recent examples of conservation projects in Zanzibar are used to reveal how representations and symbols in nature are deeply embedded in biodiversity conservation aspirations and practices promoted by conservation experts. The article posits that an embodied and pluralistic approach to landscape aesthetics can more profoundly contextualize the specificity of interaction between people and between people and their environments and lead to more viable conservation and development outcomes. This would provide a contingent perspective that would to help elucidate nuanced understandings of social relations and place, thereby better serving both conservation and development agendas.

  • 149.
    Saunders, Fred
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Fred Saunders.
    Gilek, Michael
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Day, Jon. C.
    ARC Centre of Excellence for Coral Reef Studies, James Cook University, Australia.
    Hassler, Björn
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    McCann, Jennifer
    Coastal Resources Center, The University of Rhode Island, USA.
    Smythe, Tiffany
    United States Coast Guard Academy, USA.
    Examining the role of integration in marine spatial planning: Towards an analytical framework to understand challenges in diverse settings2019In: Ocean and Coastal Management, ISSN 0964-5691, E-ISSN 1873-524X, Vol. 169, p. 1-9Article in journal (Refereed)
  • 150.
    Saunders, Fred P.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Planetary boundaries: at the threshold… again: sustainable development ideas and politics2015In: Environment, Development and Sustainability, ISSN 1387-585X, E-ISSN 1573-2975, Vol. 17, no 4, p. 823-835Article in journal (Refereed)
    Abstract [en]

    The implications of the planetary boundaries (PBs) proposal involves scien- tific, moral and political dimensions. The core of the PBs idea is that humankind is transgressing global environmental tipping points resulting in changed conditions that threaten to unravel human progress. The growing status of the proposal potentially makes it a highly influential organising concept that seems to contain within it aspirations to dra- matically reconstitute the relationship between society and the environment—thereby transforming the politics of sustainable development. This paper situates PBs in contem- porary green thinking. Key planning events and related documents supporting the Post- 2015 Development Agenda process are then examined to identify strategies and reactions to the PB proposal. The findings show that divisions reminiscent of older North/South environment and development tensions related to the role of experts, democracy and the Right to Development threaten to prevent PBs from being mainstreamed in key UN environment and development programmes and fora.

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